Family name Jugai (Jugai 
, Югаи 
) , around the world, is a rare cognomen. The family name Jugai is characteristic of Estonia, where it is quite a rare surname, Russia, where it is a rare surname, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Russia, India, and Estonia. More prevalently, Jugai is the forename as well as the last name.